/*
 * Copyright 2025 LinQingYing. and contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * The use of this source code is governed by the Apache License 2.0,
 * which allows users to freely use, modify, and distribute the code,
 * provided they adhere to the terms of the license.
 *
 * The software is provided "as-is", and the authors are not responsible for
 * any damages or issues arising from its use.
 *
 */

package org.cangnova.cangjie.psi

import org.cangnova.cangjie.name.Name
import org.cangnova.cangjie.name.Name.Companion.identifier
import org.cangnova.cangjie.psi.stubs.CangJieMacroExpressionStub
import org.cangnova.cangjie.psi.stubs.elements.CjStubElementTypes
import com.intellij.lang.ASTNode

class CjMacroExpression : CjElementImplStub<CangJieMacroExpressionStub>, CjCallElement {

    constructor(node: ASTNode) : super(node)

    constructor(stub: CangJieMacroExpressionStub) : super(stub, CjStubElementTypes.MACRO_EXPRESSION)

    override fun <R, D> accept(visitor: CjVisitor<R, D>, data: D?): R? {
        return visitor.visitMacroExpression(this, data)
    }

    val referenceExpression: CjNameReferenceExpression? get() = findChildByType(CjNodeTypes.REFERENCE_EXPRESSION)
    val shortName: Name?
        get() {
            val stub = stub
            if (stub != null) {
                val shortName = stub.getShortName()
                if (shortName != null) {
                    return identifier(shortName)
                }
                return null
            }
            if (referenceExpression != null) {
                return referenceExpression!!.referencedNameAsName
            }

            return null
        }
    val input: CjMacroInput? get() = findChildByType(CjNodeTypes.MACRO_INPUT)
    val attr: CjMacroAttr? get() = findChildByType(CjNodeTypes.MACRO_ATTR)

    override val calleeExpression: CjExpression?
        get() = null
    override val valueArgumentList: CjValueArgumentList?
        get() = null
    override val valueArguments: List<ValueArgument>
        get() = emptyList()
    override val lambdaArguments: List<CjLambdaArgument>
        get() = emptyList()
    override val typeArguments: List<CjTypeProjection>
        get() = emptyList()
    override val typeArgumentList: CjTypeArgumentList?
        get() = null
}
